Trial reportThe Canadian journal of urology2025
A prospective randomized trial comparing dusting and fragmentation techniques using Holmium:YAG laser for pediatric ureteral stones.
Trial report in The Canadian journal of urology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
- Thulium fiber laser versus high-power holmium laser for renal stones: a systematic review and meta-analysis of high-quality studies.Therapeutic advances in urologyArticle
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundAs occurrence rates of pediatric ureteral stones have increased, evaluation of optimal treatment modalities has become imperative. This study's primary goal is to compare outcomes between dusting and fragmentation techniques using Holmium:YAG (Ho:YAG) laser lithotripsy in children with ureteral stones.
methodsA prospective randomized study was conducted at Aswan University Hospitals from June 2023 to December 2024. One hundred children, under the age of 18, with single, mid- or distal, ureteral stones (5-20 mm) were randomized into two groups. Group A received laser dusting (0.2-0.6 J, 20-40 Hz), while Group B received fragmentation (0.8-1.5 J, 10-15 Hz), both using a 200-μm fiber. Stone-free rate (SFR), operative time, complications, and other outcomes were evaluated.
resultsDemographics, laboratory parameters, stone size, and location were similar across groups. Group B had a significantly longer operative time but demonstrated a higher SFR (86% vs. 66%). Basket use was universal in the fragmentation Group (B) and was the only independent predictor of stone-free status (p = 0.035). Rates of complication, retreatment, and ureteral injury did not differ significantly between the two groups.
conclusionsWhile both techniques are safe and effective in pediatric ureteroscopic lithotripsy, fragmentation achieves a higher SFR at the cost of longer operative time and mandatory basket use. As the dusting setting offers shorter procedure times, both settings may be suitable for selected cases depending on clinical factors such as septic status.
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